Cover Opening and Closing Device with an Integral Turn Regulating Portion

1. A cover opening and closing device comprising: a cabinet; and a cover turnably supported against the cabinet and capable of opening and closing a portion of the cabinet to be covered, wherein the cover includes a turn regulating portion capable of preventing the cover, when the cover is at a position for opening the portion to be covered, from direction, wherein the turn regulating portion is formed integrally with the cover turning in a cover closing.

2. The cover opening and closing device according to claim 1 , wherein the turn regulating portion includes a cover closing regulating surface that, when the cover is at the position for opening the portion to be covered, comes into surface-to-surface contact with a surface of the cabinet so as to prevent the cover from turning in the cover closing direction.

3. The cover opening and closing device according to claim 1 , wherein the turn regulating portion includes a cover opening regulating surface that, when the cover is at a position for closing the portion to be covered, comes into surface-to-surface contact with a surface of the cabinet so as to prevent the cover from turning in a cover opening direction.

4. The cover opening and closing device according to claim 1 , wherein the turn regulating portion includes: a cover closing regulating surface that, when the cover is at the position for opening the portion to be covered, comes into surface-to-surface contact with a surface of the cabinet so as to prevent the cover from turning in the cover closing direction; a cover opening regulating surface that, when the cover is at a position for closing the portion to be covered, comes into surface-to-surface contact with the surface of the cabinet so as to prevent the cover from turning in a cover opening direction; and a convex boundary portion formed between the cover closing regulating surface and the cover opening regulating surface.

5. The cover opening and closing device according to claim 1 , wherein the portion to be covered is provided with a terminal to which a communication cable can be connected, and an opening angle of the cover relative to the cabinet when the cover is at the position for opening the portion to be covered is an angle that allows a space between the cover and the communication cable connected to the terminal.